<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <!-- 搜索框区域 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList" >
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- table表格区域 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格（元）" width="95px" prop="goods_price"></el-table-column>
                <el-table-column label="商品重量（千克）" width="70px" prop="goods_weight"></el-table-column>
                <el-table-column label="创建时间" width="140px" prop="add_time">
                    <template slot-scope="scope">
                        {{scope.row.add_time*1000 | dateFormat}}
                    </template>
                </el-table-column>
                 <el-table-column label="操作" width="130px">
                     <template slot-scope="scope">
                        <el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
                        <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
                     </template>
                 </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total"
            background>
            </el-pagination>
        </el-card>
    </div>
</template>
<script>
export default {
    data() {
        return {
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表数组
            goodslist:[],
            total:0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
            if(res.meta.status !==200)return this.$message.error('获取商品列表失败')
            // console.log(res.data)
            this.goodslist = res.data.goods
            this.total = res.data.total
        },
        // 切换页码获取数据
        handleSizeChange(newSize){
            this.queryInfo.pagesize = newSize
            this.getGoodsList()
        },
        // 切换每页显示数量并获取数据
        handleCurrentChange(newPage){
            this.queryInfo.pagenum =newPage
            this.getGoodsList()
        },
        // 根据id删除商品
        async removeById(id){
            const resultConfirm =await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err=>err)
            if(resultConfirm !=='confirm')return this.$message.info('取消了删除')
            const {data:res} = await this.$http.delete('goods/'+id)
            if(res.meta.status !==200)return this.$message.error('删除商品失败')
            this.$message.success('删除商品成功')
            this.getGoodsList()
        },
        // 监听添加商品按钮，跳转到添加商品页面
        goAddPage(){
            this.$router.push('/goods/add')
        }
           
    },
}
</script>
<style lang="less" scoped>

</style>